The case of the round atelectasis.
D000368:Aged; D002114:Calcinosis / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D006801:Humans; D008175:Lung Neoplasms / Q000000981:diagnostic imaging; D008297:Male; D010994:Pleura / Q000000981:diagnostic imaging; D001261:Pulmonary Atelectasis / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed